Data Sheet

App Note Title
Application Note
https://www.lairdconnect.com/
3
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3 ORDERING INFORMATION
Table 1: Ordering information
Ordering Code Protocol Stack
TX Power
Rating
Antenna
RF
Shield
Flash
(kB)
RAM
(kB)
LF
Clock
GPIO Temp Range
453-00091R Bluetooth 5.2 6 dBm
76.8
MHz
Built-in Yes 512 32 25 -40 to 105 °C
4 SYSTEM OVERVIEW
4.1 Introduction
The Lyra s module combines an energy friendly MCU with a highly integrated radio transceiver in a SiP module with a robust,
integrated antenna. This section gives a short introduction to the features of the module.
The block diagram for the Lyra S module is shown in Figure 1. The wireless module includes the EFR32BG22 wireless
System on a Chip (SoC), required decoupling capacitors and inductors, 38.4 MHz crystal, RF matching circuit, and integrated
antenna.
Figure 1: Lyra S block diagram